Era
- 20th century 184 results
- 19th century 143 results
- 17th century 62 results
- 18th century 62 results
- 1809-1882 54 results
- 1879-1955 40 results
- 1564-1642 32 results
- To 1500 24 results
- 1642-1727 18 results
- 16th century 18 results
- 1473-1543 16 results
- Cretaceous 14 results
- Pleistocene 14 results
- 1886-1948 12 results
- Holocene 12 results
- Quaternary 12 results
- 1823-1913 10 results
- 1904-1967 10 results
- 1912-1954 10 results
- 1922- 10 results
- 1939- 10 results
- 21st century 10 results
- Cenozoic 10 results
- Devonian 10 results
- 1724-1804 8 results
- 1906-2005 8 results
- 1923- 8 results
- 1929- 8 results
- 1961 8 results
- Ordovician 8 results
- 1571-1630 6 results
- 1627-1691 6 results
- 1785-1851 6 results
- 1838-1914 6 results
- 1931- 6 results
- 1940- 6 results
- 1941- 6 results
- 1947- 6 results
- Eocene 6 results
- Mesozoic 6 results
- To 1830 6 results
- 1627-1665 4 results
- 1707-1783 4 results
- 1738-1822 4 results
- 1810 or 11-1889 4 results
- 1821-1894 4 results
- 1822-1911 4 results
- 1824-1907 4 results
- 1834-1919 4 results
- 1849-1925 4 results more…